INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '88fe3f7c664c37568e988bbce9f87d2f77f8b74c79c46d6712352b4e6c8fb1ea', 
    'DDTKgainkSRXBRcVQnG0N+LPunC32e4Ewzk0On8feKM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)