UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AJUGv/a81ziefZbcfckS2A3smT/GbN4FpaNMuliLc68=' 
WHERE 
  key_id = '52ebf7bc72c5ea07dc942a2a3135b9ac41981aa1decc4903466e686d352c848b' 
  AND (
    token = 'AJUGv/a81ziefZbcfckS2A3smT/GbN4FpaNMuliLc68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )