UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZLotvVK/mZNV2qQnyeLMI/ClHkBjoDCY/JtVVi2Rd2s=' 
WHERE 
  key_id = '8729af807659a6da8590d57278456a1a2f87c2c1659fe3e989c57a6b08fe4231' 
  AND (
    token = 'ZLotvVK/mZNV2qQnyeLMI/ClHkBjoDCY/JtVVi2Rd2s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044