INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76bad8367e1e965a1a0a112ae72bbf78d17303d51e157590647249b16bc44cbe', 
    'DMw/wAMpjK1otgj3HCumbGepRJj6/GnL3M1I1gfu89c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)