UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fn4lasvYRy7B30Lw8UrQxYLw9FB1wVoqadujOMA3oXk=' 
WHERE 
  key_id = '7f21f3955dc518f8cc93d4fa055c99e8704a28e0a0b511e6d615bf8685c76949' 
  AND (
    token = 'fn4lasvYRy7B30Lw8UrQxYLw9FB1wVoqadujOMA3oXk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )