UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cRz976/5embT5lCaQU7Ny9MIyq1nhHEOS83BKIwYB3A=' 
WHERE 
  key_id = '46dc3262a1a7c90cd48a5f43550198620b2540d548785788d64096b16f840344' 
  AND (
    token = 'cRz976/5embT5lCaQU7Ny9MIyq1nhHEOS83BKIwYB3A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )