UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '49OOHPaq3ykPG8K2ltnRxDSKSov/0dSWfKID2KSIHxc=' 
WHERE 
  key_id = '09fe3e225f2e932b6339bf90db1b4b905095a1ed7e3c286c03f87e8edc15f3d8' 
  AND (
    token = '49OOHPaq3ykPG8K2ltnRxDSKSov/0dSWfKID2KSIHxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030