UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KTt+GY84WFpgubK1PbhktNbbAtwMDvdMeIhRbRdsym4=' 
WHERE 
  key_id = 'a757b395389900110f5684e1e10e303cf2525af8e68d67b58233d00014b621f5' 
  AND (
    token = 'KTt+GY84WFpgubK1PbhktNbbAtwMDvdMeIhRbRdsym4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )