UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cVgB7nYa9sfexdrr8qjbRquTZqqtRJeG61o/Oww9yVo=' 
WHERE 
  key_id = '50bc4ecbf65445c6e2e54e6480edcceae355e47cce951484c84e78db973a0269' 
  AND (
    token = 'cVgB7nYa9sfexdrr8qjbRquTZqqtRJeG61o/Oww9yVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )