UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gr0eh0V7AOzyTqfLOoxJAhoklLPkx/4D94+qOEMdLz4=' 
WHERE 
  key_id = 'b4957d39f5b63ac3580ac15c246a98e46c1e170c2543e1bb099dd8a8662021ed' 
  AND (
    token = 'Gr0eh0V7AOzyTqfLOoxJAhoklLPkx/4D94+qOEMdLz4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )