UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k/5aPFI3LHHn06xR2cB1qbWTrLh5yIC2PfgeWwvH1ZY=' 
WHERE 
  key_id = 'c393ac1c6b3f9af7f64f28c5827b0fd598758218083f145c16a510d811586ccd' 
  AND (
    token = 'k/5aPFI3LHHn06xR2cB1qbWTrLh5yIC2PfgeWwvH1ZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )