UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qt1I9nYnurOmLBvohQq+Rd9FPcZPMK/Yz3WgUgpEdIY=' 
WHERE 
  key_id = '6edff4b51bbfd1e74c1023e82c308856689e90a028d00befb5f624e7a7c1226e' 
  AND (
    token = 'Qt1I9nYnurOmLBvohQq+Rd9FPcZPMK/Yz3WgUgpEdIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )