UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0BRj/imu4XBPVwqHjr9n2agmhEM4dlqtAQJSqCOWjhs=' 
WHERE 
  key_id = '6e7c2bbbbe9f24da456fd2abd22309432cfd5451167256ad1ff017d9a92993d1' 
  AND (
    token = '0BRj/imu4XBPVwqHjr9n2agmhEM4dlqtAQJSqCOWjhs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )