UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VE/ShfaCqtFZVrIb6dWisZSbxFW/QkpKTIs3bEQaXbI=' 
WHERE 
  key_id = 'c5cf8a0a66facdaebd3a2047638349df4f04175720cc58e48e0aad352c2dfa5d' 
  AND (
    token = 'VE/ShfaCqtFZVrIb6dWisZSbxFW/QkpKTIs3bEQaXbI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025