UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TNeZWlGMJaU64GfrxcqzLyJ8HNtWzQ20N2T845RwhRA=' 
WHERE 
  key_id = 'b2eab9893965ae1d5691dfb4ff34ab98c8c4612ea9cae294738658c60754ecd4' 
  AND (
    token = 'TNeZWlGMJaU64GfrxcqzLyJ8HNtWzQ20N2T845RwhRA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029