UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B6r3EBt9ldPvbZyu+iHxqn2xxRo7cblg9UXuffeqLM4=' 
WHERE 
  key_id = 'c420a5540e5ef6999434193443b1d86589cc4857697cfb848cdb285ed8388447' 
  AND (
    token = 'B6r3EBt9ldPvbZyu+iHxqn2xxRo7cblg9UXuffeqLM4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )