UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QSM1v6LDqq3L1Hq6yM/oGSuVQJsg96ugYzMWT15evm0=' 
WHERE 
  key_id = '4e6857c2aca58532fea0feb1ea413654cd3f9dc40cec8055250ad35e0e7911fd' 
  AND (
    token = 'QSM1v6LDqq3L1Hq6yM/oGSuVQJsg96ugYzMWT15evm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )