UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bZwr97+N6mjNR4J9lU4P8WqrTMOFDQAIVNx4ZPXtdTQ=' 
WHERE 
  key_id = 'b51e90fc101657c88137d0c108e7bb526e8179802ac04184365aadc968f15fa3' 
  AND (
    token = 'bZwr97+N6mjNR4J9lU4P8WqrTMOFDQAIVNx4ZPXtdTQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )