UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RN7E+qFU+UBlsObqmZoCD0+dqEXekEOJOSNoSUX7IQU=' 
WHERE 
  key_id = '855dfd42e2e3c96847b4c2092b976e4139ac0b28b024df1e452e15a2ce424b0e' 
  AND (
    token = 'RN7E+qFU+UBlsObqmZoCD0+dqEXekEOJOSNoSUX7IQU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )