UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b95j438pSwWyhcwcTFl9x7JBEQ7ogfChLdqgd7eI3dQ=' 
WHERE 
  key_id = '7918a71515b5712d901686844d6c8ba1ba15400ce0f3c478fed46678404bbe0a' 
  AND (
    token = 'b95j438pSwWyhcwcTFl9x7JBEQ7ogfChLdqgd7eI3dQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )