UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w6FaYVvs74mT5yrm3ifn0QD6gRdknRgQTOVVy7g6z0I=' 
WHERE 
  key_id = '7e68f28c1d1d8e1b838013231aba4f127c6f0e2678a1eb548dfd9671538b4622' 
  AND (
    token = 'w6FaYVvs74mT5yrm3ifn0QD6gRdknRgQTOVVy7g6z0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )