UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fns3gr+9BajQdqOiVLRoi5y7Ummdjyp6iBA+rob19zo=' 
WHERE 
  key_id = '3dcad05f1f9b5ff987522564251fb67bf42790ee53ac04083144b7514303b749' 
  AND (
    token = 'fns3gr+9BajQdqOiVLRoi5y7Ummdjyp6iBA+rob19zo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )